(No.2) The “Expected acquisition amount” has been calculated by multiplying the number of shares to be acquired by the closing price of common share the day before the board decision date. The amount is subject to change based on shift in share price. (Closing price of common share on April 26, 2018 : KRW 156,500, preferred share : KRW 99,000, preferred share 2 : KRW 109,500, preferred share 3 : KRW 87,300)

(No.4) Related to ‘Expected period of holding’ above, after acquisition of Treasury Stock, shares are to be retired.